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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-05 23:10:54 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-05 23:10:54 -0800 |
commit | 2e3078af2c67730c479f1d183af5b367f5d95337 (patch) | |
tree | b7881c6c9c479aadac345df7e18e3c0e10f0811e /Documentation/filesystems | |
parent | ea5c58e70c3a148ada0d3061a8f529589bb766ba (diff) | |
parent | b3b0d09c7a2330759ac293f5269bd932439ea0ff (diff) | |
download | linux-2e3078af2c67730c479f1d183af5b367f5d95337.tar.gz linux-2e3078af2c67730c479f1d183af5b367f5d95337.tar.xz |
Merge branch 'akpm' (patches from Andrew)
Merge patch-bomb from Andrew Morton:
- inotify tweaks
- some ocfs2 updates (many more are awaiting review)
- various misc bits
- kernel/watchdog.c updates
- Some of mm. I have a huge number of MM patches this time and quite a
lot of it is quite difficult and much will be held over to next time.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (162 commits)
selftests: vm: add tests for lock on fault
mm: mlock: add mlock flags to enable VM_LOCKONFAULT usage
mm: introduce VM_LOCKONFAULT
mm: mlock: add new mlock system call
mm: mlock: refactor mlock, munlock, and munlockall code
kasan: always taint kernel on report
mm, slub, kasan: enable user tracking by default with KASAN=y
kasan: use IS_ALIGNED in memory_is_poisoned_8()
kasan: Fix a type conversion error
lib: test_kasan: add some testcases
kasan: update reference to kasan prototype repo
kasan: move KASAN_SANITIZE in arch/x86/boot/Makefile
kasan: various fixes in documentation
kasan: update log messages
kasan: accurately determine the type of the bad access
kasan: update reported bug types for kernel memory accesses
kasan: update reported bug types for not user nor kernel memory accesses
mm/kasan: prevent deadlock in kasan reporting
mm/kasan: don't use kasan shadow pointer in generic functions
mm/kasan: MODULE_VADDR is not available on all archs
...
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r-- | Documentation/filesystems/proc.txt | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 3a9d65c912e7..1e4a6cc1b6ea 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -175,6 +175,7 @@ read the file /proc/PID/status: VmLib: 1412 kB VmPTE: 20 kb VmSwap: 0 kB + HugetlbPages: 0 kB Threads: 1 SigQ: 0/28578 SigPnd: 0000000000000000 @@ -238,6 +239,7 @@ Table 1-2: Contents of the status files (as of 4.1) VmPTE size of page table entries VmPMD size of second level page tables VmSwap size of swap usage (the number of referred swapents) + HugetlbPages size of hugetlb memory portions Threads number of threads SigQ number of signals queued/max. number for queue SigPnd bitmap of pending signals for the thread @@ -424,12 +426,15 @@ Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 892 kB Anonymous: 0 kB +AnonHugePages: 0 kB +Shared_Hugetlb: 0 kB +Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB KernelPageSize: 4 kB MMUPageSize: 4 kB -Locked: 374 kB -VmFlags: rd ex mr mw me de +Locked: 0 kB +VmFlags: rd ex mr mw me dw the first of these lines shows the same information as is displayed for the mapping in /proc/PID/maps. The remaining lines show the size of the mapping @@ -449,9 +454,14 @@ accessed. "Anonymous" shows the amount of memory that does not belong to any file. Even a mapping associated with a file may contain anonymous pages: when MAP_PRIVATE and a page is modified, the file page is replaced by a private anonymous copy. -"Swap" shows how much would-be-anonymous memory is also used, but out on -swap. +"AnonHugePages" shows the ammount of memory backed by transparent hugepage. +"Shared_Hugetlb" and "Private_Hugetlb" show the ammounts of memory backed by +hugetlbfs page which is *not* counted in "RSS" or "PSS" field for historical +reasons. And these are not included in {Shared,Private}_{Clean,Dirty} field. +"Swap" shows how much would-be-anonymous memory is also used, but out on swap. "SwapPss" shows proportional swap share of this mapping. +"Locked" indicates whether the mapping is locked in memory or not. + "VmFlags" field deserves a separate description. This member represents the kernel flags associated with the particular virtual memory area in two letter encoded manner. The codes are the following: @@ -475,7 +485,6 @@ manner. The codes are the following: ac - area is accountable nr - swap space is not reserved for the area ht - area uses huge tlb pages - nl - non-linear mapping ar - architecture specific flag dd - do not include area into core dump sd - soft-dirty flag @@ -815,9 +824,6 @@ varies by architecture and compile options. The following is from a > cat /proc/meminfo -The "Locked" indicates whether the mapping is locked in memory or not. - - MemTotal: 16344972 kB MemFree: 13634064 kB MemAvailable: 14836172 kB |